Question

How do i solve for the maximum and minimum of z?

Answer 1

Explanation:

`We\ summarize\ (1) \ and\ (2),\ \ (2) \ and\ (3):\\\displaystyle\\\left \{ {2x\geq -6\ \atop -2x\geq -6\ } \right. \ \ \ \ \ \left \{ {{x\geq -3} \atop {x\leq 3}} \right. \ \ \ \ \ \Rightarrow\ \ \ \ x\in[-3;3].\\`

`2)\ We\ subtract\ equation\ (2) \ from \ equation (1),`